Otaku siblings Tamotsu and Niwaka Denkigai are shopping in Akihabara when it is overrun by vampiric cosplaying monsters! These creatures, known as "Bugged Ones," can possess anyone they bite and soon they begin causing mayhem across the city. As Tamotsu finds himself at the mercy of one of these creatures, he is rescued by the mysterious baseball bat-wielding Matome Mayonaka. Together, they fight through several more encounters with the Bugged Ones, but before long, Tamotsu is fatally wounded protecting Matome. With no other choice, she revives him as a high level Bugged One—just like her! Tamotsu and Matome, along with excitable otaku cosplayer Arisa Ahokainen, make up the group "The Electric Mayonnaise" and they begin dispatching the Bugged Ones in the only way they know how: by ripping off their clothes and exposing them to sunlight! [Written by MAL Rewrite]

Air Trecks, also known as AT, are motorized and futuristic inline skates that are the new craze taking the nation by storm. Although each AT comes with a speed limiter, a community of daredevils known as the "Storm Riders" are brave enough to tamper with the device. Utilizing AT's in underground battles, individual teams wager valuable AT parts or team emblems—their symbol of pride—to dominate the streets. Living in this era is Itsuki Minami, a middle school student notorious for engaging in street fights. Always wanting to reach heights no one else is able to, the reckless punk will break through any obstacle that stands in his way, alongside his best friends Kazuma Mikura and Onigiri. However, it is when he discovers a pair of Air Trecks in his house that the path to his true desire finally opens: to rule the skies. [Written by MAL Rewrite]

Goro's down on his luck. He keeps losing jobs and has little money. One day he meets a fortune-teller outside of a pet store who predicts that his luck will change. That night three girls appear in his appartment claiming to be his guardian angels. Soon a total of twelve girls appear to help him, each one a reincarnation of a deceased pet once owned by Goro. (Source: ANN)

Tooru and Run have been best friends forever, so when Tooru learns that she's managed to get into the same high school as Run, she runs to tell her... only to find Run in a compromising position with yet another girl, Yuko. Needless to say, that makes things a bit awkward at school, with Tooru fending off those who might be interested in Run while Yuko and their other girlfriend, Nagi, have to deal with Run's own penchant for drama. (Source: Sentai Filmworks)